In northwest drought and desert area of our country, planting Elaeagnus angustifolia to amend salt alkali of soil and prevent sand blown by wind is an economic and effect measure.
在我国西北地区大面积的干旱、荒漠地区，营造沙枣林进行盐碱土改良和风沙危害的防治是既经济又有效的长远措施。
Commerce development was a main way to promote the form of multiple economy and economic interchange and complement in northwest area.
商业开发是促进西北地区多元经济形成和经济交流、互补的主要渠道。
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